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Finding the Fourth Proportional to 281,599.65, 423,598.14 and 255,263.22

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Solution

The fourth proportional to 281,599.65, 423,598.14 and 255,263.22 is: 383,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,599.65 : 423,598.14 = 255,263.22 : x
  2. Step 2: Convert to fraction form
    281,599.65/423,598.14 = 255,263.22/x
  3. Step 3: Cross multiply
    281,599.65x = 423,598.14 × 255,263.22
  4. Step 4: Simplify right side
    281,599.65x = 108,129,025,202.41
  5. Step 5: Solve for x
    x = 108,129,025,202.41/281,599.65
  6. Step 6: Final answer
    x = 383,981.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.